ML20027E212
| ML20027E212 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 11/01/1982 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20027E211 | List: |
| References | |
| NUDOCS 8211120262 | |
| Download: ML20027E212 (2) | |
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SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION RELATED TO AMENDMENT NO. 58 TO FACILITY OPERATING LICENSE NO. DPR-66 DUQUESNE LIGHT COMPANY OHIO EDIS0N COMPANY PENNSYLVANIA POWER COMPANY BEAVER VALLEY POWER STATION, UNIT NO. 1 DOCKET NO. 50-334 Introduction In a letter dated August 3,1982, Duquesne Light (the licensee) requested a change in the partial power multiplier (from 0.2 to 0.3) for FAH. This change was requested in the licensee's original submittal of Technical Specification change number 66, dated February 23, 1982. However, sufficient justification was not submitted and we were then unable to approve the change in the partial power multiplier.
Evaluation Historically, increasing the allowable F$H with decreasing power has been pennitted by the staff for all previously approved Westinghouse designs.
The increase is permitted by the DNB protection setpoints and allows for radial power distribution changes with rod insertion to the insertion limit.
The change to a larger partial power multiplier is requested for Beaver Valley to allow ogtimization of the core loading pattern by minimizing restrictions on Fgg at low power. This change will also minimize the probability of making rod insertion limit changes to satisfy peaking i
factor criteria at low power with the control rod banks at the insertion limit.
As a result of the multiplier change, the axial offset function is slightly more limiting and this change has been made to Technical Specification Table 2.2-1.
No accident reanalysis was required.
We have approved the partial power multiplier change to 0.3 for WCAP 9500 (Reference 1) and for the Trojan plant (Reference 2); Duquesne Light's request for the Beaver Valley Unit 1 change is similar. We thus find the licensee's requested change of the partial power multiplier from 0.2 to 0.3 acceptable.
In addition, due to an administrative error, our Amendment No. 55 (dated 8/2/82) did not revise page 2-2 of Appendix B.
This amendment thus includes a revised page 2-2.
The revision consists of deletion of all material under 2.3.1 on this page.
8211120262 821101 PDR ADOCK 05000 l
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~ Environmental Consideration We have determined that the amendment does not authorize a change in effluent types or total amounts nor an increase in power level and will not result in any significant environmental impact. Having made this determination, we have further. concluded that the amendment involves an action which is insignificant from the standpoint of environmental impact and, pursuant to 10 CFR 551.5(d)(4), that an environmental impact statement or negative declaration and environmental impact appraisal need not be prepared in connection with the issuance of this amendment.
Conclusion We have concluded, based on the considerations discussed above, that:
(1) because the amendment does not involve a significant increase in the probability or consequences of an accident previously evaluated, does not create the possibility of an accident of a type different from any evaluated previously, and does not involve a significant reduction in a margin of safety, the amendment does not involve a significant hazards consideration, (2) there is reasonable assurance that the health and safety of the will not be endangered by operation in the proposed manner, and (3) public such activities will be conducted in compliance with the Commission's regulations and the issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public.
Dated:
November 1, 1982 Principal Contributor:
M. Chatterton References
- 1) Safety Evaluation of the Westinghouse Electric Corporation Topical Report, WCAP-9500" Reference Core Report 17x17 Optimized Fuel Assembly,"
May 22,1981.
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- 2) Amendment 76 to Facility Operating License NPF-1 for Trojan, 8/13/82.